Rig Exploit Kit via the EiTest delivers CryptFile2 ransomware from 185.153.197.66

NOTES:

I have added a zipped pcap file for your analysis. The password for the zipped pcap is infected all lowercase.

PCAP file of the infection traffic:
2016-11-14-Rig-EK-pcap.zip

 

ASSOCIATED DOMAINS AND IP ADDRESSES:

  • license-plate-search.org – COMPROMISED SITE
  • 195.133.144.147 – add.bluegrassbackingtrack.com – RIG EK LANDING PAGE
  • 185.153.197.66 – GET /check_pgp_key.html – CryptFile2 POST INFECT TRAFFIC
  • 185.153.197.66 – POST /pgp_key/get_pgp_key.php – CryptFile2 POST INFECT TRAFFIC

ASSOCIATED EMAILS FOR RANSOM PAYMENT:

E-MAIL1: enc8@dr.com
E-MAIL2: enc8@usa.com

 

IMAGES AND DETAILS OF INFECTION CHAIN:

Shown above: Network traffic  associated with the Rig exploit and the delivery of CryptFile2 ransomware

 

Shown above: Fiddler used to show each stage of infection chain

 

Shown above: Injected script found on index page of compromised site associated with the EiTest campaign which redirects visitors to the Rig EK landing page – Web page source code can be found by right clicking on web page and selecting “View source”

 

Shown above: HELP_DECRYPT_YOUR_FILES.TXT ransom note and payment instruction associated with CryptFile2 ransomware

 

MALICIOUS PAYLOAD ASSOCIATED WITH RIG EXPLOIT: